:root{--ink:#12203a;--ink-soft:#4a5568;--line:#dde3ec;--bg:#ffffff;--bg-soft:#f6f8fb;--accent:#1f3358}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;line-height:1.65;font-size:17px}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}
header{border-bottom:1px solid var(--line)}
header .wrap{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{font-weight:700;letter-spacing:.06em;color:var(--accent);text-decoration:none;font-size:19px}
.signin{color:var(--accent);text-decoration:none;font-size:15px}
.signin:hover{text-decoration:underline}
main{padding:72px 0 88px}
h1{font-size:40px;line-height:1.2;margin:0 0 20px;font-weight:600;letter-spacing:-.01em}
h2{font-size:23px;margin:56px 0 18px;font-weight:600}
h3{font-size:18px;margin:28px 0 8px;font-weight:600}
p{margin:0 0 18px;max-width:70ch}
.lead{font-size:19px;color:var(--ink-soft)}
.actions{margin:32px 0 0}
.btn{display:inline-block;padding:12px 22px;border-radius:6px;text-decoration:none;font-size:16px}
.btn-primary{background:var(--accent);color:#fff}
.btn-secondary{color:var(--accent);margin-left:18px}
.btn-secondary:hover,.btn-primary:hover{opacity:.9}
.panel{background:var(--bg-soft);border:1px solid var(--line);border-radius:10px;padding:28px 30px;margin:24px 0}
.panel p:last-child{margin-bottom:0}
a{color:var(--accent)}
footer{border-top:1px solid var(--line);padding:28px 0;color:var(--ink-soft);font-size:14px}
footer p{margin:0 0 6px;max-width:none}
footer a{color:var(--ink-soft)}
dl{margin:0}
dt{font-weight:600;margin-top:16px}
dd{margin:2px 0 0}
@media(max-width:700px){h1{font-size:31px}main{padding:48px 0 64px}.btn-secondary{margin-left:0;display:block;margin-top:12px}}